HackingHealthcareHealthcareStolen CredentialsTargetedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Northwest Radiologists, Inc./Mount Baker Imaging

bd_9173669cd15d26c5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 25, 2025

Filed

Oct 29, 2025

To disclose

40 weeks

Affected

43state residents only

Linked

6 filings

Confidence

63%

Full breach record for Northwest Radiologists, Inc./Mount Baker Imaging →

Northwest Radiologists/Mt. Baker Imaging notified NH AG of unauthorized network access between Jan 20-25, 2025. Incident discovered Jan 25, 2025. 43 NH residents affected. Data exposed: PII, SSN, DL, PHI. Response: Forensics, law enforcement, credit monitoring.

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Incident timeline

undetected · 5 days

discovery → filing · 40 weeks / 277 days

Jan 20, 2025

Begins

Jan 25, 2025

Discovered

Oct 29, 2025

Filed

vs. sector median

+27 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

California State AGbd_16235da02de878672025-10-29Verified by operator
Oregon State AGbd_3e0fca4b5b9d294f2025-10-29Verified by operator
Nebraska State AGbd_e7a3610e1fcf4ed82025-10-29Verified
HHS OCRbd_3852def57b155f672025-10-28 · +1dVerified by operator

Show 1 more filing ↓up to 111d gap

Washington State AGbd_0015ee9f373b47762025-07-10 · +111dCandidate

Name: Cohen & Winters, PLLC
norm: cohen winters
Domain: cohenwinters.com
Industry: Legal Services

Name: Northwest Radiologists, Inc./Mount Baker Imaging
norm: northwest radiologists inc mount baker imaging
Industry: Healthcare
Industry: Healthcarellm

Discovered: Jan 25, 2025
Breach occurred: Jan 20, 2025 – Jan 25, 2025
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 29, 2025
Affected individuals: 43state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Office of the Attorney General
Initial access: valid_credentials

During the incident: Contacted law enforcement
Engaged third-party computer forensic specialists
Secured the environment
Undertook a thorough investigation
Implemented additional technical safeguards
Offered complimentary credit monitoring and identity protection services
Changes made: Implemented additional technical safeguards to further enhance the security of information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 40 weeks(277 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

Washington State AGJul 10 · first

HHS OCR+110d

California State AG+111d

Oregon State AG+111d

Nebraska State AG+111d

New Hampshire State AG+111d · this page

Pattern: first filing Jul 10 (WA), last Oct 29 (NH) — a 111-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/northwest-radiologists-mt-baker-imaging-20251029.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 29, 2025
Raw hash: b1e9eda742345f1ca4901d3ab3332e2e5375d1580f15440a0d1ce88e355b217d

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCohen & Winters, PLLC

Victim entityNorthwest Radiologists, Inc./Mount Baker Imaging

Incidentdiscovered Jan 25, 2025

Stated responseContacted law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov